rebels in syria say they have started a major offensive in the northern city of aleppo against troops loyal to president assad. i'd still rage as the government continues its onslaught on rebel strongholds -- fights still rage. >> more than 80 african migrants ran into trouble. they were arrested by italian authorities and are to be transferred to detention center. >> the communist party has expelled one of its former rising stars, ordered to face a number of charges including abuses of power, taking bribes, and improper sexual relations. he was convicted of murdering a british businessman. now to that formula one racing news. mercedes has signed lewis hamilton from mclaren to replace former champion michael schumacher. >> the 2008 f1 champion has signed a lucrative deal with mercedes. >> the racing future of the 43- year-old schumacher is uncertain. >> since his comeback, schumacher has not won a single race. in nearly three years, he has been on the podium only ones. even within the team, his rival has outperformed him. criticism of the 43-year-old's kraft has been mounting. he freq